arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1409.6701math.CO
收藏

少格点的格3-多面体

Lattice 3-polytopes with few lattice points

Mónica Blanco, Francisco Santos

摘要:

我们将White的空四面体分类推广到格点$3$ -具有五个格点的多面体的完全分类,证明了除了无限多个宽度为1的多面体外,它们的宽度为2的等价类正好有九个,没有一个宽度更大的多面体.我们还证明了,对于每个$n\in \mathbb{N}$,只有有限个(类)格$3$ -多面体与$n$格点和宽度大于1。这意味着将目前的分类扩展到更大的尺寸是有意义的,这是我们后续论文的主题。

英文摘要:

We extend White's classification of empty tetrahedra to the complete classification of lattice $3$-polytopes with five lattice points, showing that, apart from infinitely many of width one, there are exactly nine equivalence classes of them with width two and none of larger width. We also prove that, for each $n\in \mathbb{N}$, there is only a finite number of (classes of) lattice $3$-polytopes with $n$ lattice points and of width larger than one. This implies that extending the present classification to larger sizes makes sense, which is the topic of subsequent papers of ours.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑